Surface Mount Power Voltage-Regulating Diodes DO-24AC (SMA) FEATURES Low profile package Ideal for automated placement Low Zener impedance Low regulation factor Meets MSL level, per J-STD-2, if maximum peak of 26 C Material categorization: For definitions of compliance please see www.vishay.com/doc?9992 TYPICAL APPLICATIONS For general purpose regulation and protection applications. PRIMARY CHARACTERISTICS V Z 5.6 V to 68 V P tot at T L = 75 C 5 mw P tot at T A = 25 C 5 mw T J max. 5 C V Z specification Pulse current Int. construction Single MECHANICAL DATA Case: DO-24AC (SMA) Molding compound meets UL 94 V- flammability rating Base P/N-M3 - halogen-free, RoHS-compliant, and commercial grade Terminals: Matte tin plated leads, solderable per J-STD-2 and JESD22-B2 M3 suffix meets JESD 2 class A whisker test Polarity: Color band denotes cathode end MAXIMUM RATINGS (T A = 25 C, unless otherwise noted) PARAMETER SYMBOL VALUE UNIT Power dissipation at T L = 75 C (fig. ) P tot () 5 Power dissipation at T A = 25 C (fig. ) P tot (2) 5 mw Maximum instantaneous forward voltage at 2 ma for all types V (3) F.5 V Operating junction and storage temperature range T J, T STG - 65 to + 5 C Notes () Mounted on PCB with 5. mm x 5. mm copper pads attached to each terminal (2) Mounted on minimum recommended pad layout (3) Pulse test: 3 μs pulse width, % duty cycle Revision: 25-May-2 Document Number: 8946 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?9
ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER V Z I ZT Z ZT I ZK Reverse Zener voltage at I ZT Reverse current Maximum Zener impedance at I ZT Reverse current I F Z ZK I R V R Maximum Zener impedance at I ZK Reverse leakage current at V R Reverse voltage V Z V R I R V F I ZT V I F Forward current V F Forward voltage at I F I ZM Maximum DC Zener current Zener Voltage Regulator ELECTRICAL CHARACTERISTICS (T A = 25 C unless otherwise noted) PART NUMBER DEVICE MARKING CODE VOLTAGE RANGE TEST MAXIMUM IMPEDANCE REVERSE LEAKAGE MAXIMUM V Z AT I ZT I ZT I ZK Z ZT AT I ZT Z ZK AT I ZK I R AT V R I ZM V ma μa V ma MIN. NOM. MAX. MAX. MAX. MAX. MAX. SMAZ599B 9B 5.32 5.6 5.88 66.9 5 7 2 3 268 SMAZ592B 2B 5.89 6.2 6.5 6.5 2 7 2 4 242 SMAZ592B 2B 6.46 6.8 7.4 55. 2.5 4 2 5.2 22 SMAZ5923B 23B 7.79 8.2 8.6 45.7.5 5. 7 6.5 83 SMAZ5924B 24B 8.64 9. 9.56 4.2.5 5. 7 7. 65 SMAZ5925B 25B 9.5.5 37.5.25 5. 7 8. 5 SMAZ5926B 26B.5.6 34..25 5.5 55 5 8.4 36 SMAZ5927B 27B.4 2 2.6 3.2.25 6.5 55 9. 25 SMAZ5928B 28B 2.4 3 3.7 28.8.25 7. 55 9.9 5 SMAZ5929B 29B 4.3 5 5.8 25..25 9. 6.4 SMAZ593B 3B 5.2 6 6.8 23.4.25. 6 2.2 94 SMAZ593B 3B 7. 8 8.9 2.8.25 2. 65 3.7 83 SMAZ5932B 32B 9. 2 2. 8.7.25 4. 65 5.2 75 SMAZ5933B 33B 2.9 22 23. 7..25 7.5 65 6.7 68 SMAZ5934B 34B 22.8 24 25.2 5.6.25 9. 7 8.2 62 SMAZ5935B 35B 25.7 27 28.4 3.9.25 23. 7 2.6 56 SMAZ5936B 36B 28.5 3 3.5 2.5.25 28. 75 22.8 5 SMAZ5937B 37B 3.4 33 34.7.4.25 33. 8 25. 45 SMAZ5938B 38B 34.2 36 37.8.4.25 38. 85 27.4 42 SMAZ5939B 39B 37. 39 4. 9.6.25 45. 9 29.7 38 SMAZ594B 4B 4.9 43 45.2 8.7.25 53. 95 32.7 35 SMAZ594B 4B 44.65 47 49.35 8..25 67 35.8 32 SMAZ5942B 42B 48.45 5 53.55 7.3.25 7 38.8 29 SMAZ5943B 43B 53.2 56 58.8 6.7.25 86 3 42.6 27 SMAZ5944B 44B 58.9 62 65. 6..25 5 47. 24 SMAZ5945B 45B 64.6 68 7.4 5.5.25 2 7 5.7 22 Revision: 25-May-2 2 Document Number: 8946 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?9
V Z - Temperature Coefficient (mv/ C) www.vishay.com THERMAL CHARACTERISTICS (T A = 25 C unless otherwise noted) PARAMETER SYMBOL VALUE UNIT Typical thermal resistance, junction to lead R () JL 5 C/W Typical thermal resistance, junction to ambient R (2) JA 25 C/W Notes () Mounted on PCB with 5. mm x 5. mm copper pads attached to each terminal (2) Mounted on minimum recommended pad layout ORDERING INFORMATION (Example) PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE SMAZ5925B-M3/6.64 6 8 7" diameter plastic tape and reel SMAZ5925B-M3/5A.64 5A 75 3" diameter plastic tape and reel RATINGS AND CHARACTERISTICS CURVES (T A = 25 C unless otherwise noted) 4. P tot - Maximum Power Dissipation (W) 3.5 3. 2.5 2..5..5 T L T A I Z - Zener Test Current (ma) 25 5 75 25 5 Temperature ( C). 2 3 4 5 6 7 Fig. - Steady State Power Durating Fig. 3 - Typical Zener Voltage 5. V Z at I ZT I Z - Zener Test Current (ma) 4. 3. 2... 2 3 4 5 6 7 8 9 Fig. 2 - Typical Zener Voltage 5. 5.5 6. 6.5 7. Fig. 4 - Typical Temperature Coefficients Revision: 25-May-2 3 Document Number: 8946 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?9
V Z - Temperature Coefficient (mv/ C) www.vishay.com 8 7 V Z at I ZT 6 5 4 3 2 Z Z - Dynamic Impedance (Ω) I Z = ma I Z = ma I Z = 2 ma 2 3 4 5 6 7 Fig. 5 - Typical Temperature Coefficients 2 3 4 5 6 7 Fig. 7 - Typical Zener Impedance C J - Junction Capacitance (pf) T J = 25 C f =. MHz V sig = 5 mvp-p Measured at V Z/2 Measured at Zero Bias V BR - Breakdown Voltage (V) Fig. 6 - Typical Junction Capacitance PACKAGE OUTLINE DIMENSIONS in inches (millimeters) DO-24AC (SMA) Cathode Band Mounting Pad Layout.65 (.65).49 (.25). (2.79). (2.54).66 (.68) MIN..74 (.88) MAX..77 (4.5).57 (3.99).2 (.35).6 (.52).6 (.52) MIN..9 (2.29).78 (.98).28 (5.28) REF..6 (.52).3 (.76).8 (.23) ().28 (5.28).94 (4.93) Revision: 25-May-2 4 Document Number: 8946 ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?9
Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, Vishay ), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer s technical experts. Product specifications do not expand or otherwise modify Vishay s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. 27 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 8-Feb-7 Document Number: 9